-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --recv-keys 0xA16EB94D $ gpg --list-keys 0xA16EB94D pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] uid Turnkey Linux Release Key $ gpg --verify turnkey-openldap-14.0-jessie-amd64-xen.tar.bz2.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-openldap-14.0-jessie-amd64-xen.tar.bz2 bdfad9322b3835dbda1861176a47c18e $ sha1sum turnkey-openldap-14.0-jessie-amd64-xen.tar.bz2 9a396b20183443a2ea87f069a6b22ae63b2517eb -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiBAAoJEIXCXpWhbrlN1SkIAKItp5JyaGi8H5RQAoS+cZZz 9HMu7xGAVxZgcaxjSpadIhv6VGe92fs7FVu6GVPWMYztI2wZCuuSxDgrwspfOH2/ euT37KVlwFpMZlhfkHXgMuIrCsVkR6rNWUR6z183vo398Cjphu7EgnViqsJDEzWm QQtpcna7oDkJhN6NvzzqSgNcTrv0NxqSA+nPOskWeDrUGBN7nqh0rBWqRrvnMHAj 7oN/ETWM0dPCCUOu/Y/9wc3iJ9aT+WNj9B3mP1JHvqq6QgzyZlmy6qyNU9f5OQVa PUncpbX2grxvAfah30iTvJPuubNsbZGdUQ5iG16Hog24F1azUlG37jnjQsWkgeQ= =olQh -----END PGP SIGNATURE-----